Hi,

2017-05-11 20:45 GMT+00:00 Alan Stern <[email protected]>:
> On Thu, 11 May 2017, Cristian wrote:
>
>> Hi,
>>
>> Attach dmesg
>> [  968.998463] usb 3-4: unable to get BOS descriptor
>> [  968.999477] usb 3-4: config 1 has an invalid descriptor of length
>> 1, skipping remainder of the config
>> [  968.999483] usb 3-4: config 1 has 0 interfaces, different from the
>> descriptor's value: 1
>> [  969.001897] usb 3-4: language id specifier not provided by device,
>> defaulting to English
>
> It looks like your device didn't work right the first time you plugged
> it in.  But it worked correctly the second time, on a different port,
> according to the log attached to your email.  Maybe port 4 is bad.
>
> Does this happen often?

This does not happen often.
-- 
Cristian
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